What is the least likely way you would see a directional control valve spool moved on a current machine?
a. pneumatic
b. pilot oil
c. mechanically d. electrically
A
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John Adams called his peaceful resolution of the problems with France in 1800 "the most splendid diamond in my crown." Why did he think so? Was his pride justified? Why or why not?
What will be an ideal response?
In grafting, the lower part of the tree is called a _____
a. scion c. primary branch b. rootstock d. parent plant
The two most common categories of gas-fired furnaces are:
A) Category I and Category IV. B) Category II and Category III. C) Category I and Category II. D) Category III and Category IV.
A ____ circuit is used to turn on a light when darkness comes, or activate a control component when a light is either present or absent.
a. thermocouple b. thermistor c. photocouple d. photodetector